teletext data line

См. также в других словарях:

• Teletext — This article is about the teletext system as a whole. For the UK company whose teletext services are also branded as Teletext , see Teletext Ltd. For the obsolete communications system, see Teletex. Teletext (or broadcast teletext ) is a… …   Wikipedia

• carry — 1 verb carried, carrying 1 LIFT AND TAKE (T) to take something somewhere in your hands or arms, on your back etc: A porter helped me carry my luggage. | Let me carry that for you. | carry sth around/out/to etc: I m not carrying it around all day! …   Longman dictionary of contemporary English

• Closed captioning — Jack Foley created the CC in a TV symbol while senior graphic designer at WGBH. Closed captioning is the process of displaying text on a television, video screen or other visual display to provide additional or interpretive information to… …   Wikipedia

• NABTS — NABTS, the North American Broadcast Teletext Specification, is a protocol used for encoding NAPLPS encoded teletext pages, as well as other types of digital data, within the vertical blanking interval (VBI) of an analog video signal. It is… …   Wikipedia

• NTSC — This article is about the television system. For the Indonesian government agency, see National Transportation Safety Committee. Television encoding systems by nation; countries using the NTSC system are shown in green. NTSC, named for the… …   Wikipedia

• NAPLPS — (North American Presentation Level Protocol Syntax) is a graphics language for use originally with videotex and teletext services. NAPLPS was developed from the Telidon system developed in Canada, with a small number of additions from AT T. The… …   Wikipedia

• Videotex — (or interactive videotex ) was one of the earliest implementations of an end user information system . From the late 1970s to mid 1980s, it was used to deliver information (usually pages of text) to a user in computer like format, typically to be …   Wikipedia

• Crystal oscillator frequencies — Crystal oscillators can be manufactured for oscillation over a wide range of frequencies, from a few kilohertz up to several hundred megahertz. Many applications call for a crystal oscillator frequency conveniently related to some other desired… …   Wikipedia

• Broadcast television systems — There are several broadcast television systems in use in the world today. An analogue television system includes several components: a set of technical parameters for the broadcast signal, a system for encoding color, and possibly a system for… …   Wikipedia

• History of virtual learning environments — A virtual learning environment (VLE) is a system that creates an environment designed to facilitate teachers in the management of educational courses for their students, especially a system using computer hardware and software, which involves… …   Wikipedia

• Subtitle (captioning) — For other uses, see Subtitle. Part of a series on Translation Types …   Wikipedia